The Anritsu 54111A is a scalar network analyzer covering 1 MHz to 3 GHz, engineered to characterize complex reflection and transmission behavior of RF components with high directivity and measurement precision. This synthesized-frequency source instrument delivers magnitude, phase, group-delay response, return loss, SWR, and distance-to-fault analysis across a wide range of two-port devices.
– Technical Specifications
Frequency Range: 1 MHz to 3 GHz
Measurement Capabilities
• Complex transmission and reflection characteristics
• Magnitude, phase, and group-delay response
• Return loss and precision return loss
• Standing Wave Ratio (SWR)
• Group delay and absolute power
• Distance-to-fault
Source Architecture
• Synthesized-frequency source with crystal-based stability
• Low source harmonics
• High directivity SWR autotester configuration
• Optional 70 dB RF step attenuator (Option 2)
Interfaces
• GPIB (General Purpose Interface Bus) for remote control and system integration, supporting up to 15 devices at 1 Mb/s maximum data rate
• Built-in floppy disk drive for data storage
– Key Features
The 54111A delivers accurate RF characterization through its crystal-stabilized source and multi-parameter measurement suite. The instrument supports customizable display and measurement setups for flexible test configurations. Internal RF attenuation capability (Option 2) extends dynamic range to 70 dB for demanding applications.
– Typical Applications
The 54111A characterizes amplifiers, antennas, attenuators, cables, filters, adapters, RF bridges, duplexers, couplers, waveguide transmission lines, isolators, circulators, mixers, receivers, transceivers, up/down converters, multiplexers, power dividers, VCOs, switches, and related RF/microwave devices.
– Compatibility & Integration
GPIB connectivity enables integration into automated test systems and remote operation. The instrument is part of the 54100A series family. Rack mounting with slides and 90-degree tilt capability is available (Option 1). External power measurement requires Anritsu power sensors—MA4601A for 50Ω or MA4603A with J0365 connector for 75Ω applications, paired with the ML4803A Power Meter.
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